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13 Result(s)

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  1. No Access

    Article

    Bistable Electrical Switching and Rewritable Memory Effect in a Thin Film Acrylate Copolymer Containing Carbazole-Oxadiazole Donor–Acceptor Pendant Groups

    The molecular conformation-dependent write-once read-many-times (WORM) memory based on an acrylate polymer containing pendant carbazole (donor) groups is transformed into a flash (rewritable) memory when acryl...

    E. Y. H. Teo, Q. D. Ling, S. L. Lim, K. G. Neoh… in MRS Online Proceedings Library (2011)

  2. No Access

    Article

    Responsive surfaces for biomedical applications

    Much of the interaction of a material with its environment is governed by its surface, and modulation of the material’s surface characteristics can vastly broaden its range of application. This review focuses ...

    K. G. Neoh, E. T. Kang in MRS Bulletin (2010)

  3. No Access

    Article

    Antibacterial poly(D,L-lactide) (PDLLA) fibrous membranes modified with quaternary ammonium moieties

    Antibacterial poly(D,L-lactide) (PDLLA) fibrous membranes were developed via electrospinning, followed by surface modification which involved plasma pretreatment, UV-induced graft copolymerization of 4-vinylpyrid...

    Chen Yao, **n-song Li **新松, K. G. Neoh, Zhi-long Shi… in Chinese Journal of Polymer Science (2010)

  4. No Access

    Article

    Electroless Deposition of Copper on Poly(tetrafluoroethylene) Films Modified by Plasma-Induced Surface Grafting of Poly(4-vinylpyridine)

    Argon plasma-pretreated poly(tetrafluoroethylene) (PTFE) films were solution coated with a thin layer of poly(4-vinyl pyridine) (P4VP). Subsequent exposure of the films to argon plasma resulted in the grafting...

    W. C. Wang, Yan Zhang, E. T. Kang, K. G. Neoh in Plasmas and Polymers (2002)

  5. No Access

    Article

    Plasma-Induced Graft Polymerization of Poly(ethylene glycol) Methyl Ether Methacrylate on Si(100) Surfaces for Reduction in Protein Adsorption and Platelet Adhesion

    Argon plasma-induced graft polymerization of a solution-coated macromonomer, poly(ethylene glycol) methyl ether methacrylate (PEGMA), on the Si(100) surface was carried out to impart anti-fouling properties to...

    X. P. Zou, E. T. Kang, K. G. Neoh in Plasmas and Polymers (2002)

  6. No Access

    Article

    Electroless deposition of copper on polyimide films modified by surface graft copolymerization with nitrogen-containing vinyl monomers

     Surface modification of Ar-plasma-pretreated polyimide (PI) films (Kapton® HN films) via UV-induced graft copolymerization with 1-vinylimidazole (VIDz), 4-vinylpyridine (4VP), and 2-vinylpyridine (2VP) under ...

    G. H. Yang, E. T. Kang, K. G. Neoh, Y. Zhang, K. L. Tan in Colloid and Polymer Science (2001)

  7. No Access

    Article

    Intrinsic redox states of polyaniline studied by high-resolution X-ray photoelectron spectroscopy

    High-resolution X-ray photoelectron spectroscopic (XPS) measurements of the various intrinsic redox states of polyaniline (PANI), using a monochromatized Al—Kα source, were carried out. The presence of the im...

    Yongjun Chen, E. T. Kang, K. G. Neoh, S. L. Lim, Z. H. Ma… in Colloid and Polymer Science (2001)

  8. No Access

    Article

    Surface Modification of Poly(tetrafluoroethylene) Films by Plasma Pre-Activation and Plasma Polymerization of Glycidyl Methacrylate

    Surface modification of poly(tetrafuoroethylene) (PTFE) film by plasma polymerzation and deposition of glycidyl methacrylate (GMA), in the presence and absence of Ar or O2 plasma pre-activation, was carried out t...

    X. P. Zou, E. T. Kang, K. G. Neoh, C. Q. Cui, T. B. Lim in Plasmas and Polymers (2000)

  9. No Access

    Chapter

    X-ray photoelectron spectroscopic studies of electroactive polymers

    The electroactive polymers most commonly studied during the past decade include polyacetylene, polyaniline, polypyrrole, polythiophene, polyphenylene, poly(phenylene sulfide), poly(phenylene vinylene) and some...

    E. T. Kang, K. G. Neoh, K. L. Tan in Polymer Characteristics (1993)

  10. No Access

    Article

    Chemical nature of the nitrogens in polypyrrole and nitrogen-substituted polypyrrole: a comparative study by X-ray photoelectron spectroscopy

    The chemical nature of the nitrogens in polypyrrole (PPY) and poly(N-methylpyrrole) (PMPY) has been critically compared using X-ray photoelectron spectroscopy as a primary tool. Treatment of PPY/perchlorate co...

    K. L. Tan, B. T. G. Tan, E. T. Kang, K. G. Neoh in Journal of Materials Science (1992)

  11. No Access

    Article

    X-ray photoelectron spectroscopy studies of some chemically prepared polypyrrole-halobenzoquinone complexes

    X-ray photoelectron spectroscopy (XPS) studies were performed on conductive polypyrrole-tetrafluoro-p-benzoquinone (PPY-p-fluoranil), polypyrrole-tetrachloro-p-benzoquinone (PPY-p-chloranil) and polypyrrole-tstra...

    K. L. Tan, B. T. G. Tan, E. T. Kang, K. G. Neoh in Journal of Materials Science (1990)

  12. No Access

    Article

    Chemical synthesis and characterization of electroactive and partially soluble polyazulene

    Simultaneous chemical oxidation and polymerization of azulene by iodine and bromine were carried out. The polyazulene-bromine complex is electrically conductive and partially soluble in organic solvents wherea...

    K. G. Neoh, E. T. Kang, T. C. Tan in Polymer Bulletin (1988)

  13. No Access

    Chapter

    Soot Oxidation in Flames

    The kinetics and mechanisms of soot oxidation were studied at temperatures of 1575 to 1865 K and O2 mole fractions of 10−5 to 0.05 in a two-stage atmospheric-pressure combustion system in which soot-laden gas fro...

    K. G. Neoh, J. B. Howard, A. F. Sarofim in Particulate Carbon (1981)